Grade 43 Chain

Grade 70 chain is embossed using a 7 70 or 700.

Grade 43 chain.

G30 300 newton square millimeter 43 511 pound force per square inch. The chain s working load limit will have to be of sufficient strength to support the weight of the load plus any additional forces imposed by angles and hitch type s used. Astm states that alloy chain shall. Grade 30 aka proof coil has less carbon and is good service duty chain.

4 thoughts on chain grades. Grade 43 chain is not approved for overhead lifting. Grade 43 log chains are made with grade 43 chain a higher strength carbon steel chain also known as high test chain self colored no. Grade 43 log chain is perfect for making your load secure construction logging and towing.

This is expressed in newtons per square millimeter a newton is approximately 0 224805 lbs. Grade 43 aka grade 40 has higher tensile strength and abrasion resistance and comes with a higher price tag. G43 chains are also referred to as high test chain grade 40 spectrum 4 or system 4. Comparing grade 30 grade 43 grade 70 grade 80 grade 100 and grade 120 chain paul hepworth says.

Grade 43 high test chain is heavy duty high strength welded steel chain. Widely used for trailer safety chain tow log chain guard chain and general purpose utility chain. Chain grade 43 trade size 3 8 load capacity lb 5400 finish coating standard type high test chain chain diameter decimal inch 0 4060 inside length decimal inch 1 3400 inside width decimal inch 0 5700 psc code 4010. Grade 43 chain features both high tensile strength and resistance to wear needed by modern hauling and heavy duty trucking farm and construction firms.

Grade 43 chain is embossed using a 43 or a g4. It can be used for load securement but is of less strength than grade 43 chain. Grade 80 alloy chain is heat treated making it. Grade 43 chain is a steel chain that possess greater tensile strength than proof coil chain.

It is designed for use in load binding towing logging and other applications requiring high strength chain. Grade 43 chain typically has a 50 higher working load limit than proof coil or grade 30 chain. Grade 43 is an excellent all purpose commercial quality chain. Which chain grade should be used for which type of application.

April 24 2018 at 1 39 pm it would be neat if this document was in a printer friendly format so we print and keep for reference purposes. Alloy chain grade 80 or grade 100 should be used for overhead lifting. The grade refers to the tensile strength of the chain.